Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States New York Limestone Howe's Cave 13RA5 25841/2 y Front Face (South) Dscf0454.jpg
No 13RA5 is:

Description

black
fine grain
compact
magnesian
Upper Silurian


Picture of the Archive Stone:
/archive/front/13ra5.jpg
Actual Picture from the Stone Wall: /mid2000/13ra5.jpg (63575 bytes)